I agree no game should need 4gb unless its something like crysis 3, an mmo or battlefield 64 player map. Cod ghosts is poorly made on the PC and that's why the initial requirement of 6gb was given. Instead of spending time making the game optimized they just set higher requirements for the hardware so you end up with an ugly, low frames per second experience. There's nothing really that you can do except get more ram. Also I don't see how you even run windows 8 smoothly with 2gb. I mean surely you multitask a little and that would bog down the ram quickly resulting in having to reload programs and web pages. Even 2gb is low for most people using Chrome OS and that takes nothing to run it...
Just one last piece of advice: if you plan to...